@article{BSL5_1_Czajsner,
author = {Jerzy CZAJSNER},
title = {Characterization of Finitely Axiomatizable Sets on the Basis of a System of the Propositional Calculus},
journal = {Bulletin of the Section of Logic},
volume = {5},
number = {1},
year = {1976},
pages = {25--28}
}